Home / 1,177,947.78-1,625,523.66-719,828.40

Finding the Fourth Proportional to 1,177,947.78, 1,625,523.66 and 719,828.40

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Solution

The fourth proportional to 1,177,947.78, 1,625,523.66 and 719,828.40 is: 993,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,947.78 : 1,625,523.66 = 719,828.40 : x
  2. Step 2: Convert to fraction form
    1,177,947.78/1,625,523.66 = 719,828.40/x
  3. Step 3: Cross multiply
    1,177,947.78x = 1,625,523.66 × 719,828.40
  4. Step 4: Simplify right side
    1,177,947.78x = 1,170,098,095,339.94
  5. Step 5: Solve for x
    x = 1,170,098,095,339.94/1,177,947.78
  6. Step 6: Final answer
    x = 993,336.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.